1968Final results
1968 Democratic primary for Missouri Senate District 23
Missouri State Senate · Missouri
Nelson Tinnin (D) won with 66.4% of the vote, defeating John B. McMullin (D) by 32.8 points.
Nelson TinninDemocrat · winner · incumbent
66.4%10,729
John B. McMullinDemocrat
33.6%5,433
16,162 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET